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path: root/playbooks/common/openshift-master/restart.yml
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---
- include: ../openshift-cluster/evaluate_groups.yml

- name: Validate configuration for rolling restart
  hosts: oo_masters_to_config
  roles:
  - openshift_facts
  tasks:
  - fail:
      msg: "openshift_rolling_restart_mode must be set to either 'services' or 'system'"
    when: openshift_rolling_restart_mode is defined and openshift_rolling_restart_mode not in ["services", "system"]
  - openshift_facts:
      role: "{{ item.role }}"
      local_facts: "{{ item.local_facts }}"
    with_items:
    - role: common
      local_facts:
        rolling_restart_mode: "{{ openshift_rolling_restart_mode | default('services') }}"
    - role: master
      local_facts:
        cluster_method: "{{ openshift_master_cluster_method | default(None) }}"

# Creating a temp file on localhost, we then check each system that will
# be rebooted to see if that file exists, if so we know we're running
# ansible on a machine that needs a reboot, and we need to error out.
- name: Create temp file on localhost
  hosts: localhost
  connection: local
  become: no
  gather_facts: no
  tasks:
  - local_action: command mktemp
    register: mktemp
    changed_when: false

- name: Check if temp file exists on any masters
  hosts: oo_masters_to_config
  tasks:
  - stat: path="{{ hostvars.localhost.mktemp.stdout }}"
    register: exists
    changed_when: false

- name: Cleanup temp file on localhost
  hosts: localhost
  connection: local
  become: no
  gather_facts: no
  tasks:
  - file: path="{{ hostvars.localhost.mktemp.stdout }}" state=absent
    changed_when: false

- name: Warn if restarting the system where ansible is running
  hosts: oo_masters_to_config
  tasks:
  - pause:
      prompt: >
        Warning: Running playbook from a host that will be restarted!
        Press CTRL+C and A to abort playbook execution. You may
        continue by pressing ENTER but the playbook will stop
        executing after this system has been restarted and services
        must be verified manually. To only restart services, set
        openshift_master_rolling_restart_mode=services in host
        inventory and relaunch the playbook.
    when: exists.stat.exists and openshift.common.rolling_restart_mode == 'system'
  - set_fact:
      current_host: "{{ exists.stat.exists }}"
    when: openshift.common.rolling_restart_mode == 'system'

- name: Restart masters
  hosts: oo_masters_to_config
  vars:
    openshift_master_ha: "{{ groups.oo_masters_to_config | length > 1 }}"
  serial: 1
  tasks:
  - include: restart_hosts.yml
    when: openshift.common.rolling_restart_mode == 'system'
  - include: restart_services.yml
    when: openshift.common.rolling_restart_mode == 'services'